5305-00-274-1259 SCREW,MACHINE Index 6645-00-274-1279 TIMER,INTERVAL

National Stock Number:
5305-00-274-1262

Federal Supply Class:
5305

National Item Identification Number:
002741262

Description:
SCREW,MACHINE

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.


Manufacturer Information:
43S4674-510001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
FFS9281348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
TYPEISTYLE4S81348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY HEAD DIM
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD DIAMETER0.363 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT0.157 INCHES MINIMUM AND 0.171 INCHES MAXIMUM
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLESLOT
MINIMUM TENSILE STRENGTH60000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 4S STYLE
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
SCREW MATERIALSTEEL
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
SCREW SURFACE TREATMENTPASSIVATE
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.750 INCHES MINIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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